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What moves the L-758D DigitalMaster to the head of the class is that it's the only meter which can be calibrated to read light the way your particular camera system reads light.

Every camera system is unique. Optical, mechanical and imaging components all act on each other to produce slight differences in exposure and the dynamic range of the camera system. Sekonic helps you discover the differences in your camera system and use this information to control light, make better exposures and take better pictures than ever before.

By running an easy calibration test using Sekonic's L-758D, one of Sekonic's Exposure Profile Targets (purchased separately) and the included Data Transfer Software (Mac & Windows), you can accurately profile the characteristics of your camera's imaging system to determine its true native ISO, dynamic range and clipping points.

After processing the test data and determining exposure parameters, the resulting data is uploaded from your computer via the included USB cable to the meter, where it is stored as camera profiles. Profiling data from up to three cameras can be stored in your meter for instant recall.

Reflected Light Spot MeteringThe Sekonic L-758D incorporates a precise 1-degree, reflected light spot meter. Reflected light metering tells you about the subject. Different from incident light metering that produces readings only for the middle of your camera's exposure range, reflected light metering can also show you where the edges are. The key to working with the L-758D's spot meter is knowing the dynamic range of your camera. That is, the tonal range your camera is capable of recording. Program this into the L-758D and you can easily know which details will be properly imaged and which will be over or under the range of your camera. Armed with this knowledge, you can make exposure decisions that take full advantage of your camera's imaging capabilities to produce pictures with greater tonality and clarity than you have

Incident Light MeteringIncident light readings are, in fact, the simplest and most direct way to determine exposure. And because incident meters measure the light that falls on your subject, they provide camera settings that render the image exactly the way it appears. Blacks are black. Grays are gray. Whites are white.

Retracting the Sekonic L-758D's Lumisphere enables you to quickly judge the brightness of multiple light sources for fast, accurate adjustment of lighting ratios.

Digital Photography: Boundless PossibilitiesToday's High Dynamic Range (HDR) processing enables breaking through the limits to produce results never seen before. Knowing your camera's capabilities and precise exposure readings with the L-758D will help you make right exposure settings and save you time in processing. The picture of this Mexican plaza and church was created shooting multiple images (below) and "merging" them in HDR processing to create the image on the right.

Determining the Dynamic Range of your camera.Shoot with the equipment you use most. Make tests under daylight and studio lighting. Exposure Profile Target requires an 11-shot bracket (0, +/- 5EV). Exposure Profile Target II shown at the right requires a 3-shot bracket (-3EV, 0,+3EV). Make a spot reading of 18% reflectance tone and incident reading in front of target and record data. Shoot the bracketed shots based on incident light measurement.

Entering DataDownload test images into computer. If shot in RAW, convert to TIFF for computation. Enter ISO, incident, and reflected light shooting data. Then select images and press OK to watch the Sekonic Data Transfer Software program graph the dynamic range of your DSLR camera. Save the data for transfer to the L-758D.

Full information Spot ViewfinderThe 1-degree spot meter has a broad reading range from EV 1 to EV 24.4 for ambient light and measures flash down to an amazing f/2.0. Its large, bright viewfinder with diopter correction and full-information data display give you everything you need to make the right exposure decisions without having to take your eye from the eyepiece.

Memory Mode and Latitude DisplayUp to nine readings can be memorized and displayed on the meter's analog display. Once programmed, the L-758D's latitude display mirrors the dynamic range of your camera and is your guide to making exposure decisions that will get you the pictures you want.

Ambient Light MeteringTake shutter-priority or aperture-priority readings from 30 minutes up to 1/8000 second and f/0.5 to f/128 and display them in full, 1/2 or 1/3 stop increments. Exposure is displayed both digitally and on an analog scale for easy readout. Settings can be changed after reading with automatic calculation to maintain the proper exposure. The extended sensitivity range, EV -2 to 22.9 (Inc) and EV 1 to 24.4 (Ref) for ISO 100, enables taking measurements over a wide

Flash Light MeteringShutter-priority readings of flash light can be made with a synch cord or cordlessly at shutter speeds from 30 minutes to 1/1000. The L-758D automatically resets after each reading in cordless mode, to enable fast adjustment of flash brightness.

Analyzing FunctionThe L-758D is especially useful for on-location shooting to lighten shadows or reduce background detail. That's because it measures ambient and flash simultaneously and automatically indicates the percentage of flash in the total exposure. You can easily adjust the ambient flash mix by turning the Jog Wheel. The digital display indicates the camera settings and an analog display shows the relationship between ambient and flash and the total exposure.

L-758D DigitalMaster - Technical Specifications

Rotating Domed Head 90° to the right, 180° to the left, Removeable for Contrast Reading

Light Receiving Method:

Incident light and reflected light

Receptor Reflected Light:

1° spot with display in finder

Light Receptor Element:

2-Silicon photo diodes (incident and reflected)

Reflected Metering Distance:

3.3' to infinity/1.0m to infinity

Measuring Range and Modes

Measuring Modes Ambient Light:

- Aperture priority metering- EV metering- Shutter priority metering

Measuring Modes Flash:

- Measurement using the optional wireless flash radio triggering system (cumulative and non-cumulative)- Without synchro cord (cumulative and non-cumulative)- With synchro cord (cumulative and non-cumulative)